select t4.uid, extract(year_month from t4.start_time) as start_month, count(t4.start_time) as total_cnt, count(t4.submit_time) as complete_cnt from (select er.uid, er.start_time, er.submit_time, dense_rank() over(order by extract(year_month from er.start_time) desc) as dr from (select t3.uid from (s...